One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,5,6)(3,7,4,8)(9,10,15,14)(11,12,13,16)(17,18)(19,27)(20,22)(21,25)(23,26)(24,30)(28,32)(29,31)(2,6)(7,8)(9,11,15,13)(10,16,14,12)(17,19,22,30,23,29,21,28)(18,24,25,27,26,32,20,31)(1,3,5,4)(2,7,6,8)(9,12,15,16)(10,11,14,13)(17,20,21,26,23,25,22,18)(19,27,28,24,29,31,30,32)(1,4,5,3)(2,8,6,7)(9,13,15,11)(10,16,14,12)(17,21,23,22)(18,25,26,20)(19,28,29,30)(24,27,32,31)(9,14,15,10)(11,12,13,16)(19,29)(24,32)(27,31)(28,30)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.